Modem



FIG. 1 is a perspective view from the top, front and right corner of a modem;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view from the top, rear and left corner thereof.

The broken lines shown in the views are included for the purpose of illustrating portions of the modem that form no part of the claimed design. 

CLAIM The ornamental design for a modem, as shown and described. 